AIMSpy is an application that parses and displays content from instant messaging systems using the local network. It is multi-threaded, uses BPF devices for network access, and includes fairly thorough support for the AIM chat protocol and rudimentary support for the Rendezvous (iChat) protocol.
Tk Drag and Drop is an extension for Tcl/Tk to add native drag and drop capabilities to the Tk toolkit. It is designed for Tk versions 8.3.3 and higher. Native drag and drop are supported under Microsoft Windows (XP, Vista, 7), Mac OS X Leopard (Cocoa framework), and Linux (XDND, drag support missing).
CopyWrite is a project management tool for writers. Whether you're working on a novel, an article, a thesis or a book report, it is flexible yet simple enough for writers of all kinds. Any creative process is inherently messy, especially writing. Keeping organized means finishing faster.
ViewPDF is an application to view and navigate in PDF documents. It is the successor of ViewIt, which was intended to be a universal preview application for GNUstep. Now, there is Preview.app that plays the role of a preview application, and ViewPDF is focused only on PDF documents. It uses PDFKit to render PDF content.